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Douglas, Illinois Weather Forecast
Douglas, Illinois Weather
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Weather Forecast for Douglas, Illinois : Knox County
Issued: 3:16 pm CST Jan 6, 2026 Latitude: 40.7861488 Longitude: -90.0842843 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Morning Fog on Tonight Morning Fog on Wednesday 90% chance of rain on Thursday Mostly Cloudy on Friday 40% chance of rain & snow on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
Low: 32°F High: 53°F High: 56°F High: 47°F High: 40°F High: 33°F High: 43°F High: 43°F
Low: 40°F Low: 42°F Low: 34°F Low: 22°F Low: 23°F Low: 28°F  
Morning Fog Morning Fog Rain Mostly Cloudy Rain & Snow Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
GALESBURG - (KGBG)
41°
Feels like 33°F
Cloudy
Mist
as of 3:55 PM CST
Rel. Humidity: 100%
Dew Point: 41°F
Visibility: 2 Miles
Pressure: 29.74 in.
Flight Rule: IFR
Wind Data
13 MPH
290° West
Cloud Level(s): Solid Overcast at 600ft
Current Conditions at
PEORIA - (KPIA)
45°
Cloudy
as of 3:54 PM CST
Rel. Humidity: 81%
Dew Point: 39°F
Visibility: 8 Miles
Pressure: 29.71 in.
Flight Rule: MVFR
Wind Data
8 MPH
270° West
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
45°
Feels like 38°F
Cloudy
Mist
as of 3:55 PM CST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 5 Miles
Pressure: 29.75 in.
Flight Rule: MVFR
Wind Data
13 MPH
260° West
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
43°
Cloudy
as of 3:55 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 29.71 in.
Flight Rule: MVFR
Wind Data
7 MPH
Gust: 18 MPH
290° West
Cloud Level(s): Solid Overcast at 1100ft
Morning Fog on Tonight Tonight... Patchy dense fog after 2am. Otherwise, cloudy, with a low around 32. West northwest wind 5 to 9 mph becoming light west after midnight. Winds could gust as high as 17 mph.
Morning Fog on Wednesday Wednesday... Areas of dense fog before 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 53. Light west southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 40. South wind around 9 mph, with gusts as high as 18 mph.
90% chance of rain Thursday Thursday... Showers. High near 56. South southeast wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
60% chance of rain Thursday Night Thursday Night... Showers likely, mainly before midnight. Mostly cloudy, with a low around 42. South wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 47. West northwest wind 7 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.
50% chance of rain Friday Night Friday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 34. Northeast wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
40% chance of rain & snow Saturday Saturday... A chance of rain and snow before noon, then a chance of snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 22.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 33.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 43.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 28.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 43.
Current Radar Image


Sun Almanac for Douglas, Illinois
Sunrise: 07:25 AM
Sunset: 4:48 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:26 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.